CN201273212Y - Low-power air-cooling two-stroke gasoline variable frequency generator set - Google Patents

Low-power air-cooling two-stroke gasoline variable frequency generator set Download PDF

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Publication number
CN201273212Y
CN201273212Y CNU2008201524042U CN200820152404U CN201273212Y CN 201273212 Y CN201273212 Y CN 201273212Y CN U2008201524042 U CNU2008201524042 U CN U2008201524042U CN 200820152404 U CN200820152404 U CN 200820152404U CN 201273212 Y CN201273212 Y CN 201273212Y
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CN
China
Prior art keywords
generator
cooling
unit
engine
inverter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008201524042U
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Chinese (zh)
Inventor
缪希泽
王细光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Yangke Engine Imp & Exp Co Ltd
Original Assignee
Shanghai Yangke Engine Imp & Exp Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CNU2008201524042U priority Critical patent/CN201273212Y/en
Application granted granted Critical
Publication of CN201273212Y publication Critical patent/CN201273212Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a low power air-cooled two-cycle gasoline inverter generator set, which adopts a medium-frequency permanent magnetic generator and a current inverter, wherein the power output shaft of an engine is rigidly and conically connected with the rotor of the medium-frequency permanent magnetic generator, a cover of the engine and a casing of the generator are cast integrally, a motor radiating eccentric fan is fixed on the rotor, and the engine is rigidly integrated with the housing of the current inverter. The housing of the current inverter is divided into a fan working cavity and an inverter mounting room, and a working cooling system of the generator set is composed of the cooling part of the engine, the cooling part of the generator and the cooling part of the current inverter, and a plastic side plate frame is provided. The generator set has the advantages of compact and simple whole structure, convenient use and maintenance and the like, simultaneously, greatly improves the output electricity and electrical performance indexes of the generator set, is stably and reliably operated, enlarges the use ability, and represents the significant advantages of low cost and high cost performance.

Description

The air-cooled two-cycle gasoline variable-frequency power generation of a kind of small-power unit
Technical field
The utility model is the air-cooled two-cycle gasoline variable-frequency power generation of an a kind of handy type small-power unit application technology, and division power transmission and intermediate frequency permanent magnet generator, current inverter layout, motor and 3 of motor coolings are partly main.Be subordinated to the petrol-electric generating set set product technology in the internal combustion engine power plant technical field.
Background technique
In the internal combustion engine generator group, generator is as the slave of internal combustion engine power plant, and its performance height directly influences the power output and the operation conditions of generator set.For the small power generation unit, limit by unit overall structure space, motor number of pole-pairs and complete machine cost, adopt which kind of motor technology to satisfy the basic quality of small power generation unit and adapt to one of first-selected key element of user's request to obtain the unit of low cost, high performance-price ratio, to become.
In the prior art before the utility model is created, to the air-cooled two-cycle gasoline generator set of handy type small-power (the main two-stroke single cylinder unit that refers to that 2KW is following), adopt common industrial frequency AC or dc motor technology, electric energy direct-furnish load from motor output, whether corresponding strict to motor number of pole-pairs, engine speed with output frequency, retrained the performance of motor best power source; Simultaneously, the fluctuation of engine speed in the unit operation directly causes power supply parameter, and bigger as voltage, frequency fluctuation, the unit power supply quality is not high.Influence unit and use ability and the requirement of use occasion diversity.
The model utility content
The utility model is by introducing the current inversion technology on the basis of the air-cooled two-cycle gasoline generator set of handy type small-power, excavate and utilized engine power potential greatly, having improved the electric set electric supply quality, is the effective measures that promote small-power two-cycle gasoline generator set technical quality level.
Technical solutions of the utility model are as follows: the air-cooled two-cycle gasoline variable-frequency power generation of a kind of small-power unit, its characteristics are to adopt intermediate frequency permanent magnet generator and current inverter, its structure is: (1) engine power output shaft is that the rigidity axis of cone connects with the intermediate frequency rotor of permanent-magnetic power generator, is the single-cantilever supporting structure; (2) engine case covers and is provided with the location and installation seam, and seam is coaxial with line shaft, and generator unit stator is fixed on engine case by its endoporus with the seam orientation type and covers, and this case lid and generator casing be cast solid altogether; (3) the motor radiating centrifugal cutter is fixedly mounted on the rotor; (4) the current inverter case covers with the fastening engine case that is installed in of screw, forms the generator set master configuration structure of motor and current inverter case rigidity one; (5) be separated out fan work chamber and inverter installation room on the current inverter case, inverter is inserted in the housing draw-in groove; (6) the generator set work cooling system of partly forming by relatively independent engine cooling, generator cooling and current inverter cooling three; (7) be with overall plastic material side plate frame.
Preferably, described current inverter case is made up of the housing and the cap of rigidity one.
Preferably, the bottom of described unit is equipped with the inverter damping pad.
Preferably, described engine operation cooling partly still keeps original motor The forced air cooling; The cooling system of intermediate frequency permanent magnet generator has a style of one's own, and comprises baffler, and the fan work chamber has a heat exhaust port in the face of described baffler side; Employing is by the current inverter of shell surface radiating heatproof components and parts.
Preferably, the positive side of unit is provided with the side plate frame that is used to install empty filter, control panel and tail-off, is overall plastic material; Described unit is for band external frame protection or not with the unit monnolithic case structure of housing.
The overall configuration of the utility model unit is arranged signal, as accompanying drawing one.Specify as follows:
1, unit power transmission and intermediate frequency permanent magnet generator
Engine power output shaft 1-5 is that the rigidity axis of cone connects with intermediate frequency rotor of permanent-magnetic power generator 3, during engine running, drives rotor 3 and produces rotating magnetic field; Generator unit stator 2 is fixed on the motor case lid 1-3, and this case lid and generator casing be cast solid altogether, under the effect of rotating magnetic field, and motor stator winding cutting magnetic line output electric energy.Different with common industrial frequency AC or DC generator is that the structure upper rotor part contains stator, and staor winding output is the higher medium frequency alternating current of voltage.See accompanying drawing two for details.
2, current inverter is arranged
Current inverter 6 is put and is contained in the case 5, tight motor rear end is arranged, and case 5 usefulness screws are fastened on and generator casing altogether on the motor case lid 1-3 cast in block, form motor 1 and case lid 1-3---the generator set main body configuration structure of case 5 rigidity one.From the Ac of stator 2 windings output, finish: export after the current inversion of interchange---direct current---interchange, thereby the power frequency electric power of realizing generator set is exported through current inverter 6.See accompanying drawing three for details.
3, motor and motor cooling
Generator set work cooling partly is made up of relatively independent engine cooling, generator cooling and current inverter cooling three.
The engine operation cooling partly still keeps original motor The forced air cooling;
The generator cooling is to fix a centrifugal cutter 4 in rotor 3 rear ends, is separated out a fan work chamber in current inverter case 5 front portions simultaneously, and chamber side has an opening to baffler 9 faces.Fan 4 rotates extraction motor internal work calories in company with rotor 3 and discharges from the chamber side opening;
Current inverter 6 adopts the heatproof components and parts, and work calories is distributed by the natural heat dissipation mode by its housing.See accompanying drawing four A~accompanying drawing four B for details.
4, other is partly arranged
In the positive side of unit is side plate frame 7, and installing on it is free filter, control panel and tail-off;
Charge of oil case 10 is put at the unit top, and 4 damping pads 8 are installed in the bottom;
On the unit overall structure, can form the form structure of Framed protection and not add the form structure of frame.
As accompanying drawing five A~accompanying drawing five B.
The utility model has obvious overall merit at aspects such as engine power performance, unit performance lifting, structural compactness, the performances of unit use ability compared with the prior art:
1, because the more common industrial frequency AC electric generator structure size with constant power of high-tension intermediate frequency magneto alternator greatly reduces, electric efficiency obviously promotes simultaneously, impels complete machine weight saving, output power improves;
2, by the current inversion technology, the intermediate frequency magneto alternator sends with the motor different rotating speeds, different frequency, and reversible the becoming of the Ac of high voltage closed the industrial-frequency alternating current that symbol output requires, relaxed industrial frequency AC electric power output to a certain extent to the constraint of the economical operation under the Under Different Work Condition of Engine, discharged engine power potential, and generator set output power quality-improving, peak output improve;
3, because the motor axial dimension is little, rotor need not to install fulcrum roller, and the electric machine rotor coaxality is good during the generator set operation, and compact overall structure, simple, reasonable, and working service is convenient.
Description of drawings
Accompanying drawing 1: unit rough package drawing
Accompanying drawing 2: transmission layout schematic representation
Accompanying drawing 3: current inverter is arranged schematic representation
Accompanying drawing 4A: air cooling system structure and principle schematic
Accompanying drawing 4B: for A-A among accompanying drawing four A to sectional view
Accompanying drawing 5A: for not with the unit appearance structure schematic representation of frame
Accompanying drawing 5B: be the unit appearance structure schematic representation of band frame
Embodiment
The utility model is mainly formed structure explanation, as accompanying drawing one to accompanying drawing three, shown in accompanying drawing four A~accompanying drawing four B and accompanying drawing five A~accompanying drawing five B:
1, motor case lid 1-3 is provided with the location and installation seam, and seam is coaxial with line shaft 1-5, and generator unit stator 2 is fixed on the motor case lid 1-3 with the seam orientation type by its endoporus; Generator amature 3 is that the rigidity axis of cone connects with engine power output shaft 1-5 end, is the single-cantilever supporting structure; Motor radiating centrifugal cutter 4 is fixed on the rotor 3.This kind transmission layout and connecting mode are simple in structure, reliable, coaxality is high.
2, current inverter case 5 is the box-structure of metal material, is made up of housing 5-1 and cap 5-2, and is separated out fan work chamber and inverter installation room on the unit axial direction, inverter is inserted in the housing 5-1 draw-in groove, and by being installed in 3 rubber pad 6-2 vibration dampings on the card base.Housing 5-1 is total on the motor case lid 1-3 cast in block with fastening being installed in generator casing of screw, forms the generator set main body configuration structure of motor 1 and housing 5-1 rigidity one.This kind layout, good rigidly, convenient for installation and maintenance.
3, the positive side of unit is the side plate frame 7 of overall plastic material, is used to install empty filter, control panel and tail-off; The unit dorsal part is arranged motor silencer 9.
4, installation group fuel tank 10 is put at the top, and 4 rubber dampers 8 are installed in the bottom.

Claims (5)

1, the air-cooled two-cycle gasoline variable-frequency power generation of a kind of small-power unit, it is characterized in that adopting intermediate frequency permanent magnet generator and current inverter, its structure is: (1) engine power output shaft is that the rigidity axis of cone connects with the intermediate frequency rotor of permanent-magnetic power generator, is the single-cantilever supporting structure; (2) engine case covers and is provided with the location and installation seam, and seam is coaxial with line shaft, and generator unit stator is fixed on engine case by its endoporus with the seam orientation type and covers, and this case lid and generator casing be cast solid altogether; (3) the motor radiating centrifugal cutter is fixedly mounted on the rotor; (4) the current inverter case covers with the fastening engine case that is installed in of screw, forms the generator set master configuration structure of motor and current inverter case rigidity one; (5) be separated out fan work chamber and inverter installation room on the current inverter case, inverter is inserted in the housing draw-in groove; (6) the generator set work cooling system of partly forming by relatively independent engine cooling, generator cooling and current inverter cooling three; (7) be with overall plastic material side plate frame.
2, the air-cooled two-cycle gasoline variable-frequency power generation of small-power as claimed in claim 1 unit is characterized in that described current inverter case is made up of the housing and the cap of rigidity one.
3, the air-cooled two-cycle gasoline variable-frequency power generation of small-power as claimed in claim 1 unit is characterized in that the bottom of described unit is equipped with the inverter damping pad.
4, the air-cooled two-cycle gasoline variable-frequency power generation of small-power as claimed in claim 1 unit is characterized in that described engine operation cooling partly still keeps original motor The forced air cooling; The cooling system of intermediate frequency permanent magnet generator has a style of one's own, and comprises baffler, and the fan work chamber has a heat exhaust port in the face of described baffler side; Employing is by the current inverter of shell surface radiating heatproof components and parts.
5, the air-cooled two-cycle gasoline variable-frequency power generation of small-power as claimed in claim 1 unit is characterized in that the positive side of unit is provided with the side plate frame that is used to install empty filter, control panel and tail-off, is overall plastic material; Described unit is for band external frame protection or not with the unit monnolithic case structure of housing.
CNU2008201524042U 2008-08-28 2008-08-28 Low-power air-cooling two-stroke gasoline variable frequency generator set Expired - Fee Related CN201273212Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201524042U CN201273212Y (en) 2008-08-28 2008-08-28 Low-power air-cooling two-stroke gasoline variable frequency generator set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201524042U CN201273212Y (en) 2008-08-28 2008-08-28 Low-power air-cooling two-stroke gasoline variable frequency generator set

Publications (1)

Publication Number Publication Date
CN201273212Y true CN201273212Y (en) 2009-07-15

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Country Status (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102035304A (en) * 2010-10-18 2011-04-27 上海狮虎能源科技发展有限公司 Digital frequency-conversion generator set
CN102108897A (en) * 2011-04-15 2011-06-29 周歆焱 Portable general generator
WO2012113159A1 (en) * 2011-02-25 2012-08-30 深圳市安托山特种机电有限公司 Rare-earth permanent magnetic coreless power generator set
CN103711580A (en) * 2014-01-14 2014-04-09 温岭正峰动力有限公司 Frequency conversion generator set for multiple parallel power
CN106285893A (en) * 2016-09-20 2017-01-04 浙江中坚科技股份有限公司 Digital frequency conversion generator cooling system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102035304A (en) * 2010-10-18 2011-04-27 上海狮虎能源科技发展有限公司 Digital frequency-conversion generator set
CN102035304B (en) * 2010-10-18 2012-11-28 上海狮虎能源科技发展有限公司 Digital frequency-conversion generator set
WO2012113159A1 (en) * 2011-02-25 2012-08-30 深圳市安托山特种机电有限公司 Rare-earth permanent magnetic coreless power generator set
CN102108897A (en) * 2011-04-15 2011-06-29 周歆焱 Portable general generator
CN103711580A (en) * 2014-01-14 2014-04-09 温岭正峰动力有限公司 Frequency conversion generator set for multiple parallel power
CN106285893A (en) * 2016-09-20 2017-01-04 浙江中坚科技股份有限公司 Digital frequency conversion generator cooling system
CN106285893B (en) * 2016-09-20 2018-08-10 浙江中坚科技股份有限公司 Digital frequency conversion generator cooling system

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Assignee: Shanghai Liger Energy Technology Development Co., Ltd.

Assignor: Shanghai Yangke Engine Imp. & Exp. Co., Ltd.

Contract record no.: 2011310000156

Denomination of utility model: Low-power air-cooling two-stroke gasoline variable frequency generator set

Granted publication date: 20090715

License type: Exclusive License

Record date: 20110830

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090715

Termination date: 20160828

CF01 Termination of patent right due to non-payment of annual fee